Examples of org.apache.commons.collections.keyvalue.MultiKey

Package org.apache.commons.collections.keyvalue

Examples of org.apache.commons.collections.keyvalue.MultiKey

org.apache.commons.collections.keyvalue.MultiKey
late map with data mapping key+locale to localizedText Map map = new HashMap(); MultiKey multiKey = new MultiKey(key, locale); map.put(multiKey, localizedText); // later retireve the localized text MultiKey multiKey = new MultiKey(key, locale); String localizedText = (String) map.get(multiKey); @since Commons Collections 3.0 @version $Revision: 1.5 $ $Date: 2004/03/13 12:43:43 $ @author Howard Lewis Ship @author Stephen Colebourne

        };
    }


    public Object[] getOtherKeys() {
        return new Object[] {
            new MultiKey(I1, I7),
            new MultiKey(I1, I8),
            new MultiKey(I2, I4),
            new MultiKey(I2, I5),
        };
    }

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        assertEquals(false, map.values().contains(null));
        try {
            map.put(null, null);
            fail();
        } catch (NullPointerException ex) {}
        assertEquals(null, map.put(new MultiKey(null, null), null));
        try {
            map.put(null, new Object());
            fail();
        } catch (NullPointerException ex) {}
    }

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        MultiKeyMap multimap = (MultiKeyMap) map;
        MultiKey[] keys = getMultiKeyKeys();
        Object[] values = getSampleValues();
        
        for (int i = 0; i < keys.length; i++) {
            MultiKey key = keys[i];
            Object value = values[i];
            
            switch (key.size()) {
                case 2:
                assertEquals(value, multimap.get(key.getKey(0), key.getKey(1)));
                assertEquals(null, multimap.get(null, key.getKey(1)));
                assertEquals(null, multimap.get(key.getKey(0), null));
                assertEquals(null, multimap.get(null, null));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), null));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), null, null));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), null, null, null));
                break;
                case 3:
                assertEquals(value, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2)));
                assertEquals(null, multimap.get(null, key.getKey(1), key.getKey(2)));
                assertEquals(null, multimap.get(key.getKey(0), null, key.getKey(2)));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), null));
                assertEquals(null, multimap.get(null, null, null));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2), null));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2), null, null));
                break;
                case 4:
                assertEquals(value, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3)));
                assertEquals(null, multimap.get(null, key.getKey(1), key.getKey(2), key.getKey(3)));
                assertEquals(null, multimap.get(key.getKey(0), null, key.getKey(2), key.getKey(3)));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), null, key.getKey(3)));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2), null));
                assertEquals(null, multimap.get(null, null, null, null));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3), null));
                break;
                case 5:
                assertEquals(value, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3), key.getKey(4)));
                assertEquals(null, multimap.get(null, key.getKey(1), key.getKey(2), key.getKey(3), key.getKey(4)));
                assertEquals(null, multimap.get(key.getKey(0), null, key.getKey(2), key.getKey(3), key.getKey(4)));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), null, key.getKey(3), key.getKey(4)));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2), null, key.getKey(4)));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3), null));
                assertEquals(null, multimap.get(null, null, null, null, null));
                break;
                default:
                fail("Invalid key size");
            }

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        MultiKeyMap multimap = (MultiKeyMap) map;
        MultiKey[] keys = getMultiKeyKeys();
        Object[] values = getSampleValues();
        
        for (int i = 0; i < keys.length; i++) {
            MultiKey key = keys[i];
            Object value = values[i];
            
            switch (key.size()) {
                case 2:
                assertEquals(true, multimap.containsKey(key.getKey(0), key.getKey(1)));
                assertEquals(false, multimap.containsKey(null, key.getKey(1)));
                assertEquals(false, multimap.containsKey(key.getKey(0), null));
                assertEquals(false, multimap.containsKey(null, null));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), null));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), null, null));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), null, null, null));
                break;
                case 3:
                assertEquals(true, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2)));
                assertEquals(false, multimap.containsKey(null, key.getKey(1), key.getKey(2)));
                assertEquals(false, multimap.containsKey(key.getKey(0), null, key.getKey(2)));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), null));
                assertEquals(false, multimap.containsKey(null, null, null));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), null));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), null, null));
                break;
                case 4:
                assertEquals(true, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3)));
                assertEquals(false, multimap.containsKey(null, key.getKey(1), key.getKey(2), key.getKey(3)));
                assertEquals(false, multimap.containsKey(key.getKey(0), null, key.getKey(2), key.getKey(3)));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), null, key.getKey(3)));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), null));
                assertEquals(false, multimap.containsKey(null, null, null, null));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3), null));
                break;
                case 5:
                assertEquals(true, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3), key.getKey(4)));
                assertEquals(false, multimap.containsKey(null, key.getKey(1), key.getKey(2), key.getKey(3), key.getKey(4)));
                assertEquals(false, multimap.containsKey(key.getKey(0), null, key.getKey(2), key.getKey(3), key.getKey(4)));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), null, key.getKey(3), key.getKey(4)));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), null, key.getKey(4)));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3), null));
                assertEquals(false, multimap.containsKey(null, null, null, null, null));
                break;
                default:
                fail("Invalid key size");
            }

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                return oldValue;
            }
            entry = entry.next;
        }
        
        map.addMapping(index, hashCode, new MultiKey(key1, key2), value);
        return null;
    }

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     * @param key1  the first key
     * @param key2  the second key
     * @return true if the key matches
     */
    protected boolean isEqualKey(AbstractHashedMap.HashEntry entry, Object key1, Object key2) {
        MultiKey multi = (MultiKey) entry.getKey();
        return
            multi.size() == 2 &&
            (key1 == null ? multi.getKey(0) == null : key1.equals(multi.getKey(0))) &&
            (key2 == null ? multi.getKey(1) == null : key2.equals(multi.getKey(1)));
    }

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                return oldValue;
            }
            entry = entry.next;
        }
        
        map.addMapping(index, hashCode, new MultiKey(key1, key2, key3), value);
        return null;
    }

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     * @param key2  the second key
     * @param key3  the third key
     * @return true if the key matches
     */
    protected boolean isEqualKey(AbstractHashedMap.HashEntry entry, Object key1, Object key2, Object key3) {
        MultiKey multi = (MultiKey) entry.getKey();
        return
            multi.size() == 3 &&
            (key1 == null ? multi.getKey(0) == null : key1.equals(multi.getKey(0))) &&
            (key2 == null ? multi.getKey(1) == null : key2.equals(multi.getKey(1))) &&
            (key3 == null ? multi.getKey(2) == null : key3.equals(multi.getKey(2)));
    }

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                return oldValue;
            }
            entry = entry.next;
        }
        
        map.addMapping(index, hashCode, new MultiKey(key1, key2, key3, key4), value);
        return null;
    }

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     * @param key3  the third key
     * @param key4  the fourth key
     * @return true if the key matches
     */
    protected boolean isEqualKey(AbstractHashedMap.HashEntry entry, Object key1, Object key2, Object key3, Object key4) {
        MultiKey multi = (MultiKey) entry.getKey();
        return
            multi.size() == 4 &&
            (key1 == null ? multi.getKey(0) == null : key1.equals(multi.getKey(0))) &&
            (key2 == null ? multi.getKey(1) == null : key2.equals(multi.getKey(1))) &&
            (key3 == null ? multi.getKey(2) == null : key3.equals(multi.getKey(2))) &&
            (key4 == null ? multi.getKey(3) == null : key4.equals(multi.getKey(3)));
    }

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